Mizuho, Japan

Tsutomu Murata

This inventor holds 32 USPTO granted patents, primarily in Integrated Circuit Technology. Top assignees: Semiconductor Components Industries, LLC, On Semiconductor Trading, Ltd., Sanyo Semiconductor Co., Ltd.. Active years: 2007-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Murata. Retrieved from https://idiyas.com/inventor/tsutomu-murata

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 65.6

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 35(Granted Patents)


Location History:

  • Gifu, JP (2011)
  • Mizuho, JP (2007 - 2021)

Company Filing History:


Years Active: 2007-2021

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Areas of Expertise:
Operational Amplifier
Integrated Circuit
Vibration Motor
Semiconductor Device
Drive Control Circuit
Brushless Motor
Electroluminescence
H Bridge Driver
32 patents (USPTO):Explore Patents

Title: Tsutomu Murata: Innovator in Operational Amplifier Technology

Introduction: Tsutomu Murata, hailing from Mizuho, Japan, is a distinguished inventor with a noteworthy portfolio of 32 patents. His contributions to the field of electronics, particularly in operational amplifier technology, have significantly advanced the capabilities of amplification circuits.

Latest Patents: Among his latest innovations are two prominent patents. The first patent details methods and apparatus for a dual mode operational amplifier. This technology allows the operational amplifier to function both as a fully-differential amplifier and a single-ended amplifier. The design incorporates additional transistors that serve as switches, enabling operation in a desired mode. The second patent focuses on methods and apparatus for an amplifier integrated circuit. This circuit is designed with two amplifiers: one optimized for low gain bandwidth to achieve higher speed, and another for high gain bandwidth to operate at a lower speed. It also includes a switching circuit that responds to a control signal to selectively activate the amplifiers in succession.

Career Highlights: Tsutomu Murata has held significant positions at reputable companies, including Semiconductor Components Industries, LLC and On Semiconductor Trading, Ltd. His work at these organizations has allowed him to refine his inventions and contribute to cutting-edge technology in the amplifier domain.

Collaborations: Throughout his career, Murata has collaborated with influential figures in his field, including Takashi Ogawa and Kosaku Hioki. These collaborations have enriched his work and helped bring innovative solutions to the forefront of electronics.

Conclusion: Tsutomu Murata's pioneering efforts in operational amplifier technology exemplify the spirit of innovation and the impact of dedicated inventors. With a rich tapestry of patents and successful collaborations, Murata continues to influence the electronics industry and inspire future generations of inventors.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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